Many years ago a lot of people used to burn Hitler's and other Nazi-related documents because of the same sentiments you hold. Now those documents are dust...and so is the historical data they held. Think about that for a minute.
I sold Josef Menegel's post-war writings about euthanasia and eugenics...to a Jew whose grandmother was at Auschwitz. She watched him conduct "selection. She's still alive. Am I a profiteer? My father's home town in Greece was wiped-out in a Nazi act of reprisal.
So...let's burn all of Osama's documents? Better think about that too. There's "good" history...and there's "bad" history. They're equally valid.